Biennial means (an event) lasting for two years or occurring every two years. The related term biennium is used in reference to a period of two years.
In particular, it can refer to:
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Biennial plant
A biennial plant is a flowering plant that, generally in a temperate climate, takes two years to complete its biological life cycle.
Background
In its first year, the biennial plant undergoes primary growth, during which its vegetative structur ...
, a plant which blooms in its second year and then dies
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Biennale
In the art world, a biennale ( , ; ), is a large-scale international contemporary art exhibition. The term was popularised by the Venice Biennale, which was first held in 1895, but the concept of such a large scale, and intentionally internationa ...
, the Italian word for "biennial" and a term used within the art world to describe an international exhibition of contemporary art, stemming from the use of the phrase for the
Venice Biennale
The Venice Biennale ( ; ) is an international cultural exhibition hosted annually in Venice, Italy. There are two main components of the festival, known as the Art Biennale () and the Venice Biennale of Architecture, Architecture Biennale (), ...
. (The English form, "biennial", is also commonly used to describe these art events.)
See also
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Biannual
An anniversary is the date on which an event took place or an institution was founded.
Most countries celebrate national anniversaries, typically called national days. These could be the date of independence of the nation or the adoption o ...
, meaning twice a year
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Biennial bearing
Biennial bearing (or alternate) bearing is a term used in pomology to refer to trees that have an irregular crop load from year to year. In the "on" year too much fruit is set, leading to small fruit size. Excess weight in the main branches can be ...
trees, which produce fruit once every two years
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Units of time